Features/php psalm improvement (#3541)

* implement PHP_PSALM linter config improvement (see feature request #3538)

* fix cspell linter dict about unknown word 'opcache'

* update changelog about feature #3538

.cspell.json

@@ -1093,6 +1093,7 @@
         "oldxml",
         "onecolumn",
         "onstart",
+        "opcache",
         "openapi",
         "openapirc",
         "opencontainers",
@@ -1497,4 +1498,4 @@
         "zaach",
         "zricethezav"
     ]
-}
+}

CHANGELOG.md

@@ -24,6 +24,7 @@ Note: Can be used with `oxsecurity/megalinter@beta` in your GitHub Action mega-l
 - Fixes
   - Change `golangci-lint` lint mode to `project`
   - Disable sql-lint as it is no longer maintained
+  - Add new entries `findUnusedCode` and `findUnusedBaselineEntry` in default `psalm.xml` configuration file for PHP_PSALM linter. Related to <https://github.com/oxsecurity/megalinter/issues/3538>
 
 - Doc
   - Handle disabled_reason property in descriptors

TEMPLATES/psalm.xml

@@ -1,4 +1,9 @@
 <?xml version="1.0" encoding="UTF-8" ?>
 
-<psalm xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="https://getpsalm.org/schema/config" xmlns="https://getpsalm.org/schema/config">
+<psalm xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+       xsi:noNamespaceSchemaLocation="https://getpsalm.org/schema/config"
+       xmlns="https://getpsalm.org/schema/config"
+       findUnusedCode="false"
+       findUnusedBaselineEntry="false"
+>
 </psalm>

megalinter/descriptors/php.megalinter-descriptor.yml

@@ -16,6 +16,8 @@ install:
     - php83-ctype
     - php83-curl
     - php83-dom
+    - php83-opcache
+    - php83-common
     - php83-simplexml
     - dpkg
   dockerfile: